package com.example.learn.config;

import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {
//    ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager securityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
//        设置安全管理器
        bean.setSecurityManager(securityManager);

//        添加shiro的内置过滤器
        /*
        anon: 无需认证就可以访问
        authc：必须认证了才能访问
        user：必须拥有记住我
        perms： 拥有对某个资源的权限
        role：拥有某个角色权限才能访问
        * */

//        拦截接口
        Map<String, String> filterMap = new LinkedHashMap<>();
//        授权
//        filterMap.put("/name", "perms[admin]");
        filterMap.put("/admin/name", "perms[user:admin]");

        //修改logout后的地址
//        LogoutFilter logout = new LogoutFilter();
//        //修改logout后重定向的地址
//        logout.setRedirectUrl("/logout");

//        登出接口
        filterMap.put("/admin/logout", "logout");
//        filterMap.put("/test/*", "authc");
        bean.setFilterChainDefinitionMap(filterMap);

        bean.setLoginUrl("/admin/toLogin");

        //        未授权，走未授权接口
        bean.setUnauthorizedUrl("/admin/noAuth");

        return bean;
    }


//    DefaultWebSecurityManager
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(userRealm);
//        关联 UserRealm
        return securityManager;
    }

//    创建realm对象，需要自定义类,@Bean 后就被spring托管了
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }
}
